Scientists explain why even tiny amounts of chlorine can kill fish and small aquatic organisms — including over 1,000 in Tischer Creek. A dead brook trout in Tischer Creek after a major fish kill Aug.

Summertime fish kills, the sudden destruction of large quantities of fish, occur frequently in the Sunshine State. While fish kills can happen at any time of the year, they tend to occur mostly in ...

ONCE AGAIN. THERE. IN EASTERN IOWA, THE THE D-N-R IS INVESTIGATING A FISH KILL IN IOWA’S ONLY URBAN TROUT STREAM. IT HAPPENED AT MCLEOD RUN IN CEDAR RAPIDS. THE DNR SAYS IT FOUND MORE THAN 1200 DEAD ...

The Iowa Department of Natural Resources investigates a fish kill in July on Mud Creek near Paullina in Northwest Iowa. A manure leak killed an estimated 107,000 fish in more than 9 miles of the ...